Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual classe de futebol da IHSAA tem uma escola de Whitko?
 ###Tabelas: CREATE TABLE results_timeline (results_timeline_id AUTO_INCREMENT PRIMARY KEY, Tournament VARCHAR, Starts INT, Top-10s INT, Wins INT, Earnings ($) VARCHAR) CREATE TABLE us_states_by_asian_americans_population (us_states_by_asian_americans_population_id AUTO_INCREMENT PRIMARY KEY, State/Territory VARCHAR, Asian American Population (2010 Census) INT, Chinese INT, Filipino INT, Indian INT, Japanese INT, Korean INT, Vietnamese INT, Other Asian INT) CREATE TABLE administration (administration_id AUTO_INCREMENT PRIMARY KEY, English Name VARCHAR, Simplified VARCHAR, Traditional VARCHAR, Pinyin VARCHAR, Foochow VARCHAR, Area INT, Population INT, Density INT) CREATE TABLE  (_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Mascot VARCHAR, Enrollment INT, IHSAA Class VARCHAR, IHSAA Football Class VARCHAR, # / County VARCHAR) CREATE TABLE pdc_premier_event_finals:_5_1_title_4_runner-ups (pdc_premier_event_finals:_5_1_title_4_runner-ups_id AUTO_INCREMENT PRIMARY KEY, Outcome VARCHAR, Year INT, Championship VARCHAR, Opponent in the final VARCHAR, Score (l) = score in legs, (s) = score in sets. VARCHAR)  
SELECT IHSAA Football Class FROM  WHERE School = whitko